/Engine/Plugins/Enterprise/DatasmithCADImporter/Source/ParametricSurface/Public/CADModelConverter.h
Set Import parameters, Tack care to set scale factor before because import parameters will be scale according to scale factor
void SetImportParameters ( double ChordTolerance, double MaxEdgeLength, double NormalTolerance, [CADLibrary::EStitchingTechnique](API\Plugins\CADTools\CADLibrary__EStitchingTechnique) StitchingTechnique )